Grade - math word problems
Number of examples found: 5342
Fedor stood in the small pool. Above the surface was a part of his body that was twice as long as part of his body underwater. What height does Fedor have, if his body part below the surface is 5 dm long?
- Inverse matrix
Find how many times is the larger determinant is the matrix A, which equals 9 as the determinant of its inverse matrix.
How many percents is 900 greater than the number 750?
- Shell of cylinder
Calculate the content of shell the 1.6 m height cylinder with a base radius of 0.4 m.
- Circle r,D
Calculate the diameter and radius of the circle if it has length 26.59 cm.
- Area of square
Calculate the content area of the square whose perimeter is 24 dm.
- Cube 6
Surface area of one wall cube is 1600 cm square. How many liters of water can fit into the cube?
The diameter of a circular plot is 14 dm. Find the circumference and area.
Calculate the length of the two diagonals of the diamond if: a = 13 cm v = 12 cm
16.2 days ..... how many hours is it?
Could 446 tons of potatoes (ρ = 771 kg/m³) fits in a warehouse with a volume of 699 m³ ?
- Areaf of ST
It is given square DBLK with side |BL|=13. Calculate area of triangle DKU if vertex U lie on line LB.
A cyclist passes 88 km in 4 hours. How many kilometers he pass in 8 hours?
Calculate the length of the Thales' circle described to right triangle with hypotenuse 18.4 cm.
2 chickens give 2 eggs in 2 days. How many eggs can give 8 chickens for 8 days?
Can be a diagonal of diamond twice longer than it side?
- Proof I
When added to the product of two consecutive integers larger one, we get square larger one. Is this true or not?
- Tree trunk
Calculate the average tree trunk with a circumference of 149 cm.
- Vector perpendicular
Find the vector a = (2, y, z) so that a⊥ b and a ⊥ c where b = (-1, 4, 2) and c = (3, -3, -1)
- Numbers division
With what number should be divided mixed number 2 3/4 to get 11/12?